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RFT_parts(E): U820D (CalcChip)
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Product number (P/N): U820D,
Keywords/Tags: U820D
Date of intro-: ~1974, TimeKeeper IC's (sorted by Year): (Link), Origin: DDR (List), Case: Type = Dual In Line (DIL) 28,
Classification: / Part / Calculator-Chip,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: RFT_docu: (Book) Schaltbeispiele mit dem Rechner U820D,U821D (Ed.1),
Info: Produced at VEB Funkwerk Erfurt, 10Ám-pMOS.
First VLSI Calculator chip from the DDR.

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Created: 28-oct-2017, Manual-update: 23-jun-2022, Batch-update: 14-aug-2022             

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